*{
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
}
.fl{
    float: left;
}
.fr{
    float: right;
}
.clear:after {
    clear: both;
    display: block;
    content: "";
}


.head_xiang_Box{
    height: 60px;
    border-bottom: none;
    background: #25c2b7;
    position: relative;
}
.head_nav{
    width: auto;
    padding-right: 20px;
    height: 60px;
    margin: 0 auto;
    position: relative;
    z-index: 1000;
    min-width: 990px;
}
.head_Xiang_logo{
    float: left;
    margin: 0 20px;
}
.head_Xiang_logo .logo{
    background-image: url(http://image.yunduoketang.com/company/42852/20190403/440a2d66-a14c-4f83-b54e-5503ea2e5660.png);
    background-repeat: no-repeat;
    background-position: center center;
    display: block;
    font-size: 24px;
    color: #fff;
    height: 36px;
    line-height: 40px;
    margin: 10px 0;
    min-width: 170px;
    max-width: 200px;
    background-size: 100%;
    overflow: hidden;
}
.nav_list li{
   float: left;
   cursor: pointer;
}
.nav_list li a{
    position: relative;
    padding: 0 25px;
    display: block;
    text-align: center;
    font-size: 14px;
    height: 60px;
    line-height: 60px;
    color: #fff;
}
.nav_list .towList{
    background-color: #23b8ae;
}
.nav_list .lastList a{
    font-size: 27px;
    line-height: 42px;
    font-weight: bold;
}
.deng_ul li{
    float: left;
    height: 60px;
    position: relative;
    color: #fff;
    width: 60px;
    text-align: center;
    line-height: 60px;
    font-size: 14px;
    cursor: pointer;
}
.thressList{
    position: relative;
}

/* nav display:none */
.nav_list .thressList .disNone_List{
    display: none;
    color: #474747;
    font-size: 14px;
    position: absolute;
    top: 60px;
    left: 1px;
    z-index: 222;
}

.nav_list .disNone_List dt{
    height: 40px;
    line-height: 40px;
    text-align: center;
    background: #fff;
    border-bottom: 1px solid #eee;
    word-break: break-all;
    padding: 0 5px;
    width: 140px;
}
.nav_list .thressList:hover .disNone_List{
display: block;
}
/* lastList_ul */
.lastList_dl{
    position: absolute;
    display: none;
}
.lastList_dl dt{
    width: 100%;
    height: 35px;
    line-height: 35px;
    padding: 0 5px;
    border-bottom: 1px solid #ececec;
    font-size: 14px;
    background: #ffff;
    color: #333;
}
.lastList_dl dt:hover{
    color: #25c2b7;
}
.lastList:hover .lastList_dl{
    display: block;
}
/*  */
.body_articl {
    width: 1200px;
    margin: 0px auto;
    position: relative;
    
}
.top-tit{
    padding: 28px 0 24px 0;
}
.top-titU li {
    font-size: 12px;
    color: #333;
    line-height: 1;
    display: inline-block;
}
.last_2019{
    color: #25c2b7;
}
.top-con {
    position: relative;
}
.top-conL {
    width: 368px;
    height: 207px;
    padding: 4px;
    border: 1px solid #eee;
    border-radius: 3px;
}
.topconL-n {
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    border: 1px solid #f6f6f6;
    background-size: cover;
    border-radius: 3px;
    background: url(http://image.yunduoketang.com/course/42852/20190411/e6d5a055-1eec-4210-b228-1a7753543da5.jpg) no-repeat center;
}
p {
    line-height: 1.7;
    font-size: 1.4rem;
    word-break: break-all;
}
.top-conC {
    margin-left: 36px;
    max-width: 550px;
}
.coursename .codezhi {
    font-weight: bold;
    color: #333;
}
.coursename span {
    font-size: 28px;
    display: inline-block;
    line-height: 1;
    word-break: break-all;
}
.code-box {
    position: relative;
}
.coursename .codezhi {
    font-weight: bold;
    color: #333;
}
.coursename i {
    /* font-size: 20px;
    position: relative;
    top: -5px;
    margin-left: 14px;
    color: #666; */
}
.detmod {
    position: relative;
    padding-top: 16px;
}
.detmod .detmodP {
    line-height: 1;
    color: #999;
    margin-right: 34px;
    line-height: 1;
    color: #999;
    font-size: 14px;
}
.detpri {
    padding-top: 24px;
}
.detpri p {
    line-height: 1.7;
    font-size: 1.4rem;
    word-break: break-all;
}
.detmodP .monred {
    color: #25c2b7;
}
.detmodP .monred {
    display: inline-block;
    line-height: 1;
    font-size: 24px;
    margin-right: 11px;
    font-weight: bold;
}
.detmodP .monlast {
    opacity: .8;
}
.detmodP .monlast {
    display: inline-block;
    line-height: 1;
    color: #666666;
    font-size: 16px;
    margin-right: 11px;
    text-decoration: line-through;
}
.stuProgress {
    padding-top: 10px;
}
.stuProgress .joinstudy {
    margin-right: 25px;
}
.stuProgress .joinstudy .btn:hover {
    background-color: #2ad6ca;
}
.stuProgress .joinstudy .btn {
    display: block;
    width: 148px;
    height: 48px;
    padding: 0px;
    line-height: 48px;
    text-align: center;
    border: 0px;
    border-radius: 4px;
    color: #FFFFFF;
    background: #07bbee;
    font-size: 18px;
    margin-top: 20px;
    cursor: pointer;
}
i{
    font-style: normal;
}
.top-conR {
    position: absolute;
    top: 75px;
    right: 148px;
    font-size: 12px;
    color: #999;
}
.top-conRL i {
    margin-right: 6px;
}
.top-conRL i {
    margin-right: 6px;
}
.top-conRL .iconfont {
    cursor: pointer;
    color: #bbb;
}
.top-conRL i {
    margin-right: 6px;
}
/*  */
.body_articl_contont{
    margin-top: 44px;
    width: 1200px;
    margin: 0px auto;
    position: relative;
    overflow: hidden;
}
.content_left{
    width: 864px;
    float: left;
    overflow: hidden;
}
.tab-menuConti {
    border-top: 1px solid #E0E0E0;
    border-bottom: none;
}
.fl{
    float: left;
}


.content_left_bottom {
    position: absolute;
    width: 864px;
    top: 90px;
}
.background-img {
    padding: 100px 0px 50px 0px;
    text-align: center;
    display: none;
}
.background-img p.pro-no {
    color: #949494;
    font-size: 14px;
    line-height: 50px;
    margin-top: 0px;
}
.button-btn:hover {
    background-color: #2ad6ca;
}
html body .left .button-btn {
    background-color: #25c2b7;
}
button.button-btn {
    /* float: right; */
    width: 100px;
    margin: 20px 0px;
    height: 34px;
    line-height: 34px;
    background: #00b7ee;
    border-radius: 3px;
    padding: 0px;
    font-size: 16px;
    color: #fff;
    border: none;
    position: absolute;
    top: -36px;
    cursor: pointer;
    right: 20px;
}
/* button.button-btn:active{

}
.PingLun_flex{
    position: fixed;
    width: 150px;
    height: 30px;
    background: rgba(0,0,0, .2);
    font-size: 14px;
    top: 50%;
    left: 50%;
    z-index: 700;
}
 */
.tab-menu {
    height: 50px;
    line-height: 50px;
}
.tab-menuConti li.active {
    color: #25c2b7;
    border-top-color: #25c2b7;
}
.tab-menu li{
    font-size: 18px;
    float: left;
    height: 100%;
    padding: 0px 30px;
    cursor: pointer;
}
.tab-menuConti li.active {
    color: #25c2b7;
    border-top:3px solid;
    border-top-color: #25c2b7;
    border-bottom: none;
}
.content.introduce {
    color: #888888;
    font-size: 12px;
    line-height: 24px;
}
.introduce p {
    color: #888888;
    font-size: 12px;
    line-height: 24px;
    margin-top: 20px;
    word-break: break-word;
}
.content_right{
    width: 246px;
    float: right;
    overflow: hidden;
    font-size: 1.2rem;
}
.content_right_teachre{
    margin-bottom: 40px;
    margin-left: 0;
}
.title-wrap{
    height: 62px;
    border-top: 1px solid #E0E0E0;
    border-bottom: none;
    line-height: 62px;
}
.ming_teacher{
    font-size: 18px;
    color: #14191e;
    float: left;
    font-weight: 400;
}
.swiper-container {
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    z-index: 1;
}
.mingper-box {
    width: 246px;
    cursor: pointer;
}
.mingper-box .mingper {
    width: 60px;
    height: 60px;
    background: url(http://image.yunduoketang.com/headpic/42852/20171208/20bdd359-9ce1-4921-bd20-38a1ddad5684.jpg) no-repeat center;
    border-radius: 50%;
    background-size: 100% auto;
}
.mingper-box .pername {
    line-height: 60px;
    padding-left: 22px;
    font-size: 14px;
    color: #14191e;
}
.jieshao {
    padding: 21px 15px 32px 15px;
    background-color: #f5f7f9;
    position: relative;
    font-size: 12px;
    color: #4d555d;
    line-height: 20px;
    border-radius: 4px;
    margin-top: 20px;
}
.jieshao-jiao {
    width: 12px;
    height: 12px;
    background-color: #f5f7f9;
    position: absolute;
    left: 25px;
    top: -5px;
    border-radius: 4px;
    -ms-transform: rotate(45deg);
    -webkit-transform: rotate(45deg);
}
.jieshao-intro {
    width: 100%;
    max-height: 160px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 8;
    -webkit-box-orient: vertical;
    cursor: pointer;
}
/*  */
.Xiang_footer{
    width: 1200px;
    margin: 0px auto;
    position: relative;
    overflow: hidden;
    font-size: 1.2rem;
    color: #333;
}
.else-course {
    border-top: 1px solid #E0E0E0;
    border-bottom: none;
    margin-top: 55px;
    font-size: 18px;
    color: #474747;
    height: 50px;
    line-height: 50px;
}
/*  */
.else-course-content {
    width: 1220px;
    font-size: 1.2rem;
}
.else-course-content li {
    float: left;
    width: 220px;
    margin: 20px 24px 30px 0px;
    transition: all 2s ease;
}
.else-course-content li:hover .scale_Tu{
   transform: scale(1.3);
   -ms-transform: scale(1.3);
   width: 286px;
   height: 161px;
}
.img-box {
    width: 220px;
    height: 124px;
    overflow: hidden;
}
.img-box .img{
    overflow: hidden;
    height: 124px;
    width: 220px;
    margin: 0px;
    cursor: pointer;
   
}
img {
    border: none;
    vertical-align: middle;
}
.scale_Tu{
    transition: all 1s ease;
}
.else-course-content a.title {
    font-size: 14px;
    color: #474747;
    line-height: 24px;
    margin-top: 8px;
    display: block;
    color: #333;
    cursor: pointer;
}
.else-course-content a.title:hover{
    color: #2ad6ca;
}
.else-course-content a.teacher {
    font-size: 12px;
    color: #949494;
    line-height: 24px;
    display: block;
    cursor: default;
}
a.teacher .people {
    float: right;
    position: relative;
}
a.teacher .name {
    float: left;
}
/*  */
.c-footer {
    height: 205px;
    background: #32333a;
    width: 100%;
    background-color: white;
    border-top: 1px solid #E4E4E4;
}
.footer-content {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    color: #a1a4b3;
    height: 205px;
    font-size: 1.2rem;
}
.footer-content>div {
    margin: 10px 0 0;
    float: left;
    display: inline-block;
    vertical-align: middle;
}
.footer-top-box {
    padding: 1%;
    width: 98%;
}
.f-1-left {
    float: left;
    width: 60%;
}
.f-1-left>div {
    float: left;
    width: 19%;
    border-right: 1px solid #F0F0F1;
    height: 164px;
}
.f-1-left>div p {
    color: #666666;
    text-align: center;
    line-height: 30px;
    font-size: 14px;
    margin-bottom: 5px;
    word-break: break-all;
}
.f-1-left>div a {
    display: block;
    width: 100%;
    color: #7e7f81;
    text-align: center;
    line-height: 25px;
    font-size: 12px;
}
.f-1-right {
    float: left;
    width: 40%;
}
.f-1-right>p:first-child {
    margin-bottom: 10px;
}
.f-1-right>p.l-word {
    font-size: 34px;
    color: #666666;
}
.f-1-right>p {
    text-align: left;
    padding: 0 40px;
}
.f-1-right>p img {
    cursor: pointer;
    margin-right: 15px;
}
.footer-right-p{
    font-size: 12px;
    line-height: 1.7;
    color: #7e7f81;
}
.footer_beian {
    color: #7e7f81;
}

.nav_list li:hover{
    background: #23B8AE;
}
.top-conRL  .people,.top-conRR .people{
   width: 15px;
}
.else-course-content .teacher img.people{
    width: 14px;
    position: absolute;
    left: -16px;
    top: 4px;
}
.deng_ul li:hover{
    background:  #23B8AE;
}
.top-titU li{
    cursor: pointer;
}
.top-titU li:hover{
   color:  #23B8AE;
}
/* wx qq */
.hoverbox:hover .sharebox {
    display: block;
}
.top-conRR .sharebox {
    width: 100px;
    height: 30px;
    padding: 5px 11px;
    box-sizing: border-box;
    border-radius: 4px;
    box-shadow: 0 0 4px 0 rgba(0,0,0, .2);
    position: absolute;
    left: -12px;
    top: 4px;
    cursor: pointer;
    display: none;
    top: 25px;
    left: 65px;
}
.sharebox1 {
    background-image: url(../img/people.png);
}

.sharebox2 {
    background-image: url(../img/people.png);
    background-size: auto 100%;
    margin-left: 9px;
}

.sharebox3 {
    background-image: url(../img/people.png);
}
.sharebox .shaboxp {
    display: inline-block;
    width: 20px;
    height: 20px;
    background-size: 100% auto;
    background-repeat: no-repeat;
    background-position: center;
}
